jgg     2015 35 (6):  1053-1056    ISSN: 0412-1961  CN: 21-1139/TG The Simplification Method Based on Error Entropy School of Civil Engineer and Architecture, East China Jiaotong University, 808 Shuanggang Road, Nanchang 330013, China Received: 2014-10-27  Revised: null  Online: 2015-12-01 Supporting info